Tetris Party Deluxe is a Tetris game for the Nintendo DS, which has many modes like Marathon, Sprint (this movie's mode), Shadows and many more. Sprint mode asks you to clear 40 lines as fast as possible. This movie aims for lowest In-Game Time ( 21.83 seconds ) , whitch is 1.33 seconds faster than previous one.
When the first keypress of the next block is different from the previous one , it allows the next block start moving 1 frame ( at 30 fps ) faster . So place the blocks one to the left and one to the right will be much faster. There is a tetris perfect clear way in this movie, but it needs more keypresses so it will be slower(about 0.1s). This TAS is obviously not the fastest, but it's too hard to make all blocks move in the way witch needs fewest keypresses.
Thanks to teatube (a tetris player in China) helping me a lot in this TAS.
CasualPokePlayer: Nice improvement! Accepting.
feos: The mode is called "Sprint" in the game (and it doesn't have a "mode" in its name while some other modes do).